Body Systems

What does the digestive system do

• breaks down and handles food
• pumps blood throughout the body
• helps you breathe
• helps your arms and legs move

Where does food pass through between the mouth and the stomach?

• A. The Small Intestine
• B. The Large Intestine
• C. The Rectum
• D. The Esophagus

Which body system gets oxygen from the environment and removes carbon dioxide and other wastes from the body?

• Circulatory
• Respiratory
• Digestive
• Skeletal

The smallest unit that is a building block for all life.

• tissue
• organelle
• cell
• molecule

Your body couldn’t breathe without this system. Which one is it?

• circulatory
• skeletal
• respiratory
• urinary

When you breathe in air, you inhale oxygen into your lungs and exhale ____.

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

This system controls everything you do.

• nervous system
• olfactory system
• digestive system
• circulatory system

The nervous system is made up of these three parts:

• Brain, heart, and spinal cord
• Brain, spinal cord, and nerves
• Nerves, arteries, and veins
• Nerves, liver, and heart

When tissues come together, they form ___________.

• cells
• atoms
• organs
• systems

Which of the following body systems work together for support, protection, and movement?

• respiratory and cardiovascular
• skeletal and muscular
• skeletal and integumentary
• digestive and respiratory